3-Attachment B Scope of Work Region 1 2026 Weltand Maintenance Scope of Work 26.03.04.pdf

Attachment B 2026 Scope of Work

UDOT Region 1 Wetland Mitigation – Vegetation Control March 4, 2026

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PART – 1 INTRODUCTION

The Utah Department of Transportation (UDOT), Region 1, has two smaller wetland mitigation sites in Davis and Weber County. Both sites identified below require ongoing maintenance activities such as noxious and invasive weed control along with the potential for additional work items such as mowing, tree and shrub removal, reseeding and riparian plant replacement.

1.1 Section Includes

A. Procedures and requirements for maintenance and vegetation control at following UDOT Region 1 wetland mitigation sites.

1. MS0052 – US-89, Snow Creek mitigation site (Layton, Davis County)

2. MS0055 – SR-39, Huntsville mitigation site (Huntsville, Weber County)

1.2 Mandatory Pre-Bid Site Visit

A. All bidding contractors must attend an in-person Mandatory Pre-Bid Site Visit schedule at both mitigation sites on Thursday, March 19, 2026, between 11:00 am and 2:00 pm as follows:

1. Thursday, March 19, 2026; 11:00 am to 12:00 pm

a. Site: MS0055 Huntsville (Weber County)

b. Location: 41.261137, -111.760303

2. Thursday, March 19, 2026; 1:00 to 2:00 pm

a. Site: MS0052 Snow Creek (Layton, Davis County)

b. Location: 41.077615, -111.910014

1.3 Contractor Minimum Mandatory Requirements and Submittals

A. Must be insured in the State of Utah.

B. Submit a current Utah State pesticide applicators license, with Aquatic (surface water) certification.

C. Actively working as an applicator for the past five years.

D. Minimum of three years’ experience working to control vegetation in wetland habitats, and on sites averaging 5 acres or greater.

1. Submit at least 3 references of previous vegetation control in wetland habitats

(must include: client name, contact information, location of vegetation control, size in acreage, habitat type, type of vegetation control and methods use, etc.).

E. Submit a proposed Annual Treatment Plan for UDOT to review and include the following:

1. List of chemical herbicides, including any mixture of herbicides or surfactants, EPA registration number, application rates and method proposed to control all plants identified Target Plant Species and Phragmites Control (see Part 2.2)

2. An approximate schedule of activities, based on a typical growing season, that satisfies the contract requirements.

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F. Submit documentation regarding the type of Global Positioning System (GPS) herbicide spray data logger system that will be used to record all types, locations and area (acreage) of treatments for vegetation and related maintenance work identified in this Scope of Work.

G. Submit cost estimates in Part 7 for UDOT to determine Low-Bid Estimate.

1.4 Contract Type

A. This is a requirements annual contract with a total possible length of five (5) years that can be terminated at any time within the contract time by either party (UDOT or Contractor).

B. Both parties must agree, in writing, before December 31st of the current year to continue with the existing contract for the following season.

PART – 2 SCOPE OF WORK

2.1 Extent of Work

A. Contractor shall provide all labor, materials, mileage, travel, mobilization and equipment costs to provide maintenance and vegetation control at the two identified UDOT Region 1 wetland mitigation sites. (See Appendix A)

1. MS0052 – US-89, Snow Creek mitigation site (Snow Creek)

a. Location: 41.077615, -111.910014

b. Site Acreage: Approximately 2.6 acres which includes:

i. Upland Habitat = 1.74 acres

ii. Wetland Habitat = 0.68 acres

iii. Snow Creek channel = 0.13 acres (Approximately 1,700 LF)

c. Snow Creek mitigation site is divided into 3 separate locations which equal the combined habitat above.

d. Contract Work will occur annually

2. MS0055 – SR-39, Huntsville mitigation site (Huntsville)

a. Location: 41.261137, -111.760303

b. Site Acreage: Approximately 3.5 acres which includes:

i. Upland Habitat = 2.35 acres

ii. Wetland Habitat = 0.97 acres

iii. Stream channel = 0.18 acres (approximately 550 LF)

c. Contract Work will occur annually

2.2 Scope of Work Items:

A. Target Plant Species (TPS) Control: Eradicate and control the spread of the following noxious and identified invasive weeds as part of TPS control (see Part 3).

1. Noxious Weeds:

a. Identified on the State of Utah Noxious Weed List. (For current list see Utah Administrative Code Rule R68-9).

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b. Davis County Declared Weeds include:

i. Buffalobur (Solanum rostratum)

ii. Yellow Nutsedge (Cyperus esculentus)

c. If, at any time during this contract, the State of Utah, Davis County or

Weber County Declared Noxious Weed Lists is updated or modified, the Contractor shall be responsible for including the treatment of any new noxious weeds.

2. Invasive weeds (identified by UDOT):

a. Additional undesirable and invasive plant species identified by UDOT and required to be treated and controlled as part of Noxious Weed Control, as follows:

UDOT Invasive Weed List

Common Name Botanical Name

Bull Thistle Cirisum vulgare

Crack Willow Salix fragilis

Common Teasel Dipascus fullonum

Curlycup Gumweed Grindelia squarrosa

Curly Dock Rumex sp

Flixweed Descurainia sophia

Halogeton Halogeton glomeratus

Kochia and Fivehook Bassia Kochia scoparia and Bassia hyssopifolia

Prickly Lettuce Lactuca serriola

Ragweed Ambrosia species

Reed Canary Grass Phalaris arundinacea

Russian Thistle Salsola tragus

Siberian Elm Ulmus pumila

B. Mowing: Herbaceous plants, including Phragmites australis, will be mowed to manage vegetation across the site, (see Part 4).

1. Tractor Mowing (per Acre)

2. Walk-Behind Brush Mower (per Hour)

3. Trimmer (per Hour)

C. Additional Work Items (only when requested by UDOT): Provide cost estimate for the following Additional Work Items, (See Part 5).

1. Shrub and Tree Removal (per Each)

2. Re-seed Habitat Areas (per 1/10th Acre cost)

3. Riparian Plant Replacements (per Each)

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2.3 Scope of Work General Requirements

A. Make as many trips as necessary to each mitigation site to complete contract work.

1. UDOT does not make any payments for contractor mobilization trips, mileage, fuel, lodging, etc.

B. Protect-in-Place any existing woody shrubs/trees, fences, gates, utility equipment and monitoring T-posts.

1. Any damage caused by the contractor must be replaced-in-kind and at the contractor’s expense.

C. Coordinate with UDOT before storing and leaving equipment on site.

D. UDOT will provide combinations or keys to locks for access to each mitigation site.

1. Contractor will be responsible for keeping gates locked.

PART – 3 TARGET PLANT SPECIES (TPS) CONTROL

3.1 TPS Control Requirements

A. Refer to Part 2.2.A for list of TPS to control at the identified both mitigation sites.

B. Provide an annual lump sum cost estimate for TPS control for each site based on acreage and habitat type (see Part 2.1 for site details and Part 6 for payment).

C. Obtain UDOT approval of annual TPS control treatment plan and schedule for each site before beginning work.

1. May include herbicide, non-herbicide and/or other control methods.

2. Coordinate with UDOT before, during and at the end of each growing season to review Treatment Plan effectiveness D. Minimum of 90% treatment control of TPS control is considered successful for this contract and will be used for payment purposes (see Part 6).

1. UDOT will determine if 90% successful treatment control has been completed by performing on-site inspections and reviewing contractor submitted records.

2. Payment reductions will occur when 90% treatment is not achieved (See PART

6).

E. Schedule and complete TPS control annually at each site as follow:

1. Notify UDOT a minimum of 7 calendar days before performing any work.

2. Begin treatment work at each site between April 15th and May 15th based on site growing conditions and early TPS to treat.

3. Treat and control each TPS found growing on each site when plants are actively growing, before bloom and seed stage of growth and the ideal time to apply herbicide.

4. Make as many site visits and treatments as necessary to meet contract requirements.

F. TPS Control Herbicide Application Requirements:

1. Apply appropriate mixture of herbicide(s) including adjuvants or surfactants as part of TPS control

2. Use aquatic herbicides in compliance with pesticide license.

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3. Ensure that herbicide application does not drift, spill, or runoff onto non-target plants (herbaceous or woody plants).

4. Use of non-selective, bare ground, sterilant or residual herbicides is not authorized unless approved by UDOT.

5. Include dye marker in each herbicide application.

G. TPS Control Herbicide Equipment Requirements:

1. Equipped with a GPS herbicide spray data logger system to record accurate application volume, location, and area (acreage) of each herbicide application.

2. Calibrate spraying equipment as necessary to ensure appropriate herbicide application rates.

3. Use of hand tank or backpack sprayers is acceptable.

4. ATV, UTV or agricultural equipment to apply herbicide (whether spot or boom spray) requirements:

a. Must be inspected and approved by UDOT.

b. Capable of applying herbicide by spot, boom or wick-wiper (sponge) application method.

c. Equipped with constant-rate sprayer mechanism to account for variable speed.

i. If not equipped, Contractor must demonstrate how inconsistent herbicide application rates will be avoided.

d. Avoid unnecessary damage to the site such as stuck equipment in wet/muddy areas, soil erosion, or over compaction of soil and vegetation.

e. Prevent fuel, oil, or hydraulic fluid leaks.

3.2 TPS Control Requirements for Specific Plant Species

A. Common Reed (Phragmites australis)

1. Before beginning any Phragmites treatment, coordinate with UDOT to determine timing and application method.

2. Herbicide application may occur between July and October but before Phragmites exhibits any summer drought stress and before the first killing frost and may include the following methods:

a. Where Phragmites cover ≥ 50%: Boom or spot spray areas with an appropriate mixture of aquatic-labeled glyphosate herbicide, non-ionic surfactant, and water-soluble nitrogen fertilizer.

b. Where Phragmites covers < 50%: Use a wick-wiper or similar sponge type equipment to apply an appropriate undiluted glyphosate herbicide to targeted Phragmites stems and leaves.

3. Phragmites Control application method may include a 2-step process which includes the herbicide application methods mentioned above and potential mowing or trimming of the treated Phragmites area (see Parts 4 and 6).

4. Other methods to be approved by UDOT.

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B. Russian Olive (Elaeagnus angustifolia), Saltcedar (Tamarix ramosissima) and other woody shrub/tree species identified as TPS control (see Part 2.2 A):

1. Plants that are less than 6 feet tall (Basal Bark or Foliar Treatment Method):

a. Apply an appropriate mixture of herbicide(s) with a non-ionic surfactant that will most effectively control targeted woody plant with minimal effect to adjacent non-target plant species (herbaceous or woody plants).

b. Foliar treatment must include a mixture of herbicide(s), non-ionic surfactant and water applied sufficiently to wet leaves without runoff from the leaves.

c. Basal Bark treatment must include an appropriate herbicide mixed with an oil carrier applied evenly to each plant stem, trunk, and any suckers, from the ground level up to a minimum of 12 inches.

2. Plants that are 6 feet and taller (Cut-Stump Method):

a. Cut and remove the entire plant at the ground surface, including all suckers and branches.

b. Apply an appropriate mixture of herbicide(s) thoroughly to the outer 2 inches of top of cut stump, include any suckers within 30 minutes of cutting the stump and any suckers.

c. Remove all cut, fallen or dead plants, trees, saplings and/or branches from the mitigation site.

C. Kochia (Bassia scoparia), Fivehook Bassia (Bassia hyssopifolia) and Russian Thistle (Salsola tragus):

1. Apply an appropriate mixture of herbicide to actively growing plants before seed becomes viable.

a. Avoid potential herbicide resistance by alternating herbicide use.

2. Physical removal of plants will be required where herbicide treatment is not effective or was not completed before the seed becomes viable, as follows:

i. Digging and severing the root below the soil surface

ii. Hand pulling.

iii. Collect and remove plants from the mitigation site.

3. Other methods to be approved by UDOT.

3.3 General Non-Herbicide TPS Control Requirements

A. Any means, used by the contractor, for TPS control that does not include the use of chemical herbicide (i.e., grazing, burning, mowing, discing, covering with plastic sheeting, etc.)

B. Must be approved by UDOT.

1. If approved, UDOT will request a cost estimate from Contractor and coordinate approval of payment.

2. Any incidental costs of Non-Herbicidal Treatment procedures will be at the contractor’s expense.

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PART – 4 MOWING

4.1 Mowing:

A. UDOT may require Contractor to mow or trim Phragmites australis or other herbaceous vegetation throughout any portion of both mitigation sites.

1. Mowing or trimming of Phragmites may be used either before or after each

Phragmites Control method.

2. Coordinate annually with UDOT for timing and method of mowing or trimming.

B. Mow or cut existing vegetation to a height ranging between 6 and 10 inches above existing ground surface.

C. UDOT standard mowing method includes:

1. Tractor Mowing (agricultural or tractor mowing equipment).

D. UDOT non-standard mowing methods may be required where site conditions are too wet/muddy or cannot be accessed with UDOT standard mowing method:

1. Walk-Behind Brush Mower (walk-behind mower).

2. Trimmer (hand-held or shoulder-supported trimmer equipped with line, blade head, or hedge trimmer).

E. Provide the mowing costs for each of the following methods:

1. Tractor Mowing (per Acre).

2. Walk-Behind Brush Mower (per Acre).

3. Trimmer (per Acre).

F. Do not damage existing shrubs or trees, fences, gate posts or metal T-posts used for site monitoring.

G. Submit mowing plan to UDOT for approval before work.

1. Include all mowing methods, mower size, acreage, and time estimate.

2. UDOT may request any type of mowing to be completed based on site conditions.

PART – 5 ADDITIONAL WORK ITEMS

5.1 General Requirements

A. Provide a cost estimate for potential additional work items, which will only be included at the request of UDOT and acceptance by the Contractor and paid using the provided per unit cost estimate.

B. UDOT will coordinate and provide sufficient time for Contractor to review, accept and complete the requested additional work.

C. Before additional work may begin, UDOT and Contractor will document details of the additional work request.

1. Documentation may be via email and may include written description of additional work requests, maps, quantity of work, reference to the provided

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5.2 Shrub and Tree Removal:

A. Coordinate with UDOT to cut and remove any undesirable shrubs and trees not already included as part of TPS Control (see Parts 2.2.A, and 3).

B. Shrub and Tree Removal requirements:

1. Removal of trees and shrubs with a caliper diameter less than 2 inches is considered incidental work and will not be paid as part of this item.

2. Tree caliper diameter will be measured at 12 inches above the ground level.

3. Shrub caliper diameter will be measured at the greatest diameter along the trunk, between the ground level and lowest branch.

a. Shrubs of any canopy or caliper size greater than 2 inches will be paid as a single work item.

4. Cut all trees and shrubs as near to the ground level as possible, including branches and suckers.

5. Remove all cut trees, shrubs, and woody debris from the site.

a. Contractor responsible for any cost related to hauling and disposal.

6. For tree and shrub species that tend to re-grow or re-sprout from cutting, apply a continuous ring of an appropriate herbicide mixture between the bark and the wood of the cut to the stump and any suckers within 15 minutes of cutting the plant.

C. Provide UDOT with following cost estimate based on Caliper diameter:

1. Shrub Removal (per Each)

2. Tree Removal, 2 to 6 inch caliper (per Each)

3. Tree Removal, 6 to 12 inch caliper (per Each)

4. Tree Removal, greater than 12 inch caliper (per Each)

5.3 Re-seed Habitat Areas

A. Provide UDOT with a separate cost estimate (per 1/10th Acre) for the following:

1. Re-seed Upland Habitat Areas.

2. Re-seed Wet Meadow Habitat Areas.

3. Re-seed Emergent Marsh Habitat Areas.

B. If additional seeding is requested, use the applicable seed schedules provided by UDOT in Appendix C

a. Coordinate with UDOT to verify quantity, seed substitutions before purchasing seed.

C. Contractor must provide seed schedule certification to UDOT for approval before completing work.

D. Following requirements in UDOT Standard Section 02922 (Seed).

1. As much as possible, seed to soil contact is required.

a. UDOT must approve of seeding method and timing.

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b. Coordinate with UDOT about potential mowing before re-seeding.

5.4 Riparian Plant Replacements

A. Existing riparian plants damaged or killed because of contractor activities will be replaced at an increased 3:1 ratio at the contractor’s expense.

B. Provide UDOT with a separate cost estimate (per Each) for the following potential riparian plants to be replaced at each mitigation site:

1. Black Hawthorn (Crataegus douglasii), #1 container size

2. Coyote Willow (Salix exigua), Live Cutting

3. Coyote Willow (Salix exigua), #1 container size

4. Golden Currant (Ribes aureum), #1 container size

5. Red-osier Dogwood (Cornus sercia), #1 container size

6. Three-leaf Sumac (Rhus trilobata), #1 container size

7. Wood’s Rose (Rosa woodsii), #1 container size

8. Fremont Cottonwood (Populus fremontii), Pole Planting

9. Fremont Cottonwood (Populus fremontii), #5 container size

10. Narrowleaf Cottonwood (Populus angustifolia), Pole Planting

11. Narrowleaf Cottonwood (Populus angustifolia), #5 container size

12. Peachleaf Willow (Salix amygdaloides), Pole Planting

13. Peachleaf Willow (Salix amygdaloides), #5 container size

C. If requested, UDOT will provide specific plant names, type, size and quantities to be installed at each mitigation site.

D. UDOT prefers that any riparian plant installation occur during the fall, however a late winter or early spring planting may be acceptable.

1. Coordinate with UDOT with specific plant installation time.

E. Plant selection and installation must follow UDOT Standard Section 02932 (Landscape Plants).

PART – 6 RECORDS AND PAYMENT

6.1 Record Keeping for Scope of Work

Submit records to UDOT prior to payment and include the following:

A. TPS Control Herbicide Records: Complete and submit to UDOT an herbicide application record as per Parts 3 with the following information for each herbicide application:

1. Date (month, day, and year) when herbicide was applied

2. Brand name of herbicide applied

3. EPA registration number

4. Rate of herbicide per acre

5. Method of herbicide application

6. Total amount of herbicide used

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7. Total acres treated

8. TPS treated

9. Provide GPS herbicide spray data logger information in both Google Earth format (KMZ) and ArcMap format (SHP). Data must indicate the specific herbicide used or targeted species (TPS Control). Each data file (KMZ and SHP) must have unique identification that is associated with targeted species.

B. Mowing Records: Use GPS technology to record all mowing. Mowing records must be provided to UDOT with hardcopy and digital maps (including KMZ and SHP).

Records must include the following information:

1. The month, day, and year of mowing.

2. Total acreage of each mowing method used (see Part 4.1).

3. Provide GPS information in both Google Earth format (KMZ) and ArcMap format (SHP) for each mowing. Each data file (i.e., polygon, line or tracks, etc.)

must have unique identification that is associated with each mowing.

C. Other Non-Herbicide Records: Record any approved Non-Herbicide Control Methods (i.e. mowing, discing, cutting, removing, biological control, grazing etc.).

Use GPS technology to keep and maintain records of each non-herbicide treatment as part of TPS Control. Records of non-herbicidal treatments must be provided to UDOT with hardcopy and digital maps (including KMZ and SHP). These records must include the following information:

1. The month, day, and year of control

2. Total area (acres) treated with a non-herbicide control used

3. Targeted species for each TPS treated with specific non-herbicide treatment.

4. Purpose of control

5. Equipment or method used

6. Provide GPS information in both Google Earth format (KMZ) and ArcMap format (SHP) and indicate the specific non-herbicide control method used and TPS or Phragmites treated. Each data file (i.e. polygon, line or tracks, etc.) must have unique identification that is associated with a particular treatment type and date.

6.2 Record Keeping for Additional Work Items

Submit records to UDOT prior to payment and include the following:

A. Shrub and Tree Removal:

1. Total number of each shrub or tree caliper size removed as per Part 5.2 in a single day and include the following:

a. Species and method of cutting

b. Herbicide application, if used.

c. Method and location of disposal

B. Re-seed Habitat Areas:

1. Total acreage (per 1/10th Acre) of each habitat type re-seeded as per Part 5.3 and include the following:

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a. GPS map of each separate re-seeded habitat area.

b. Date completed

c. Method of re-seeding and how seed was incorporated into the soil.

C. Riparian Plant Replacements: Complete and submit to UDOT records of installed riparian plantings as per PART 5.4, with the following information:

1. Total number or each plant installed with plant name, type and size.

2. Dates of plant installation.

6.3 Payment Procedures

A. General:

1. UDOT will follow State of Utah Purchasing requirements and coordinate with the Contractor for payment of completed work items annually, as follows:

a. Payment #1 will include all work completed between April and end of

June.

i. Submit payment request to UDOT by June 25th.

b. Payment #2 will include all work completed between July and December 30th.

i. Submit payment request to UDOT when all work is completed

2. Contractor must include all records for payment(s).

3. UDOT will review the completed Scope of Work or Additional Work Items from the Contractor records and complete on-site inspections before issuing payment.

a. Allow UDOT 14 calendar days to review submitted payment requests.

4. Approved payments will be made using bid item costs in Part 7 for the completed Scope of Work and Additional Work Items.

B. TPS Control Payment:

1. UDOT will make partial Annual Lump Sum payments for TPS control to the contractor at each site, as follows:

a. 30% may be requested and paid during Payment #1 (See 6.3 A.1.a).

b. 70% may be requested and paid during Payment #2 (See 6.3 A.1.b).

2. UDOT will include payment reductions to TPS control for either site or payment period request that does not meet the 90% successful TPS control (see PART 3):

a. 10% payment reduction for 80-89% TPS control.

b. 20% payment reduction for 70-79% TPS control.

c. 30% payment reduction for less than 70% TPS control and may require retreatment.

i. UDOT may require the contractor, at their expense, to retreat any area which UDOT determines to be less than 70%.

C. Mowing:

1. Based on compliance with Part 4.1 and bid item costs shown in Part 7.

D. Additional Work Items (Shrub and Tree Removal):

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1. Based on compliance with Part 5.2 and bid item costs shown in Part 7.

E. Additional Work Items (Re-seed Upland, Wet Meadow, and Emergent Marsh Areas):

1. Based on compliance with Part 5.3 and bid item costs shown in Part 7.

F. Additional Work Items (Riparian Plant Replacements):

1. Based on compliance with Part 5.4 and bid item costs shown in Part 7.

Bidding contractors must provide the following bid estimates based on Scope of Work requirements (see Appendix B for the cost sheet).

7.1 Scope of Work Bid Prices

A. Provide the following vegetation control cost estimates:

1. Snow Creek, TPS Control: $________ Annual Lump Sum. (See Part 3)

2. Huntsville, TPS Control: $________ Annual Lump Sum. (See Part 3)

B. Provide the following Mowing cost estimates (See Part 4):

1. Tractor Mowing: $________ per Acre.

2. Walk-Behind Brush Mower: $________ per Acre.

3. Timmer: $________ per Acre.

7.2 Low-Bid Estimate and Contract Award Procedures

UDOT contract award will be determined based on the following:

A. Contractor Minimum Mandatory Requirements and Submittals (See Part 1.3).

1. UDOT will evaluate all submitted information and evaluate whether the Contractor meets these requirements.

B. To determine Low-Bid Estimate:

UDOT will combine costs (Sum) of each of the following Scope of Work bid prices provided by the bidding contractors at each mitigation site.

a. Snow Creek (enter Annual Lump Sum from 7.1 A.1) = $________

b. Huntsville (enter Annual Lump Sum from 7.1 A.2) = $________

c. Tractor Mowing (enter per Acre cost from 7.1 B.1) = $________

2. Combined Total (Low-Bid Estimate) = $________

7.3 Additional Work Items (only when requested by UDOT, see Part 5)

Submit cost estimates for the following potential Additional Work Items. These bid prices are for informational purposes only and will not be factored into the Low-Bid Estimate or contract award. They will be used solely to compensate the contractor for any additional work directed by UDOT.

A. Shrub and Tree Removal (see Part 5.2)

1. Shrub Removal: $________ per Each.

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2. Tree Removal, 2 to 6 inch caliper: $________ per Each.

3. Tree Removal, 6 to 12 inch caliper: $________ per Each.

4. Tree Removal, greater than 12 inch caliper: $________ per Each.

B. Re-seed Habitat Areas (see Part 5.3 and Appendix C)

1. Re-seed Upland Habitat Areas: $________ per 1/10th Acre.

2. Re-seed Wet Meadow Habitat Areas: $________ per 1/10th Acre.

3. Re-seed Emergent Marsh Habitat Areas: $________ per 1/10th Acre.

C. Riparian Plant Replacements (See Part 5.4)

1. Black Hawthorn (Crataegus douglasii), #1 container $____ per Each.

2. Coyote Willow (Salix exigua), Live Cutting $____ per Each.

3. Coyote Willow (Salix exigua), #1 container $____ per Each.

4. Golden Currant (Ribes aureum), #1 container $____ per Each.

5. Red-osier Dogwood (Cornus sercia), #1 container $____ per Each.

6. Three-leaf Sumac (Rhus trilobata), #1 container $____ per Each.

7. Wood’s Rose (Rosa woodsii), #1 container $____ per Each.

8. Fremont Cottonwood (Populus fremontii), Pole Planting $____ per Each.

9. Fremont Cottonwood (Populus fremontii), #5 container $____ per Each.

10. Narrowleaf Cottonwood (P. angustifolia), Pole Planting $____ per Each.

11. Narrowleaf Cottonwood (P. angustifolia), #5 container $____ per Each.

12. Peachleaf Willow (Salix amygdaloides), Pole Planting $____ per Each.

13. Peachleaf Willow (Salix amygdaloides), #5 container $____ per Each.

APPENDIX A

UDOT Region 1 Wetland Mitigation Site Maps

(1) US-89, Snow Creek (Approximately 2.6 acres, across 3 separate locations)

(2) SR-39, Huntsville (Approximately 3.5 acres)

UDOT Region 1 Wetland Mitigation Sites MS0052 - Snow Creek MS0055 - Huntsville

Legend

Snow Creek and Huntsville Mitigations Sites

8 mi

N

N Image © 2026 Airbus

Image © 2026 Airbus

MS0052 - US-89, Snow Creek Mitigation Site Mitigation Site boundary Meeting Location: 41.077615, -111.910014

Legend

Snow Creek Mitigation Site (~2.6 acres, on 3 separate areas)

1000 ft

N

N

Snow Cre ek

Snow Creek Impacts

1 2 0 0 N o r t h1 2 0 0 N o r t h

S h a y

L a n e

S h a y

L a n e

U S

-8

U S

-8

E a s t

E a s t

Snow Creek North Channel 318 Linear ft.

0.01 acre

Snow Creek South Channel 393 Linear ft.

0.02 acre

Plantings:

(10) Narrowleaf Cottwood

(40) Coyote Willow

(10) Golden Currant

(10) Red Osier Dogwood

(5) Wood's Rose

Plantings:

Upland Buffer - 0.56 acre

Upland Buffer - 0.12 acre

G O R D O N A V E N U EG O R D O N A V E N U E

Pl ti

Plantings:

(10) Narrowleaf Cottwood

(40) Coyote Willow

(10) Golden Currant

(10) Red Osier Dogwood

(5) Wood's Rose

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2019 Delineation Study Area

Rock Check Structure

Bank Stabalization

Proposed Pipe/Culvert

Created Stream Channel

Existing Culvert

Wetland Establishment (wetland seed mix and pole plantings)

Upland Seed Mix

Impacts to Waters of the U.S.

Impacts to Wetlands

Delineated Waters of the U.S.

Wetland Establishment - 0.68 acre Stream Channel Creation - 1,671 linear feet (0.13 acre) Upland Buffer - 1.74 acre on

3 2

0 9045 Feet

US-89; Farmington to I-84 Wetland Mitigation Plan

Map 1 of 5

Coordinate System: NAD 1983 2011 StatePlane Utah Central FIPS 4302 Ft US Projection: Lambert Conformal Conic

Datum: NAD 1983 2011

Maps Created by Horrocks engineers on 9/6/2019 Imagery: ESRI 2016

1 inch = 100 feet I

Vicinity Map

U S

-8

U S

-8

1 0 7 0 N o r t h1 0 7 0 N o r t h

E a s t

E a s t

Snow Creek South Channel 393 Linear ft.

0.02 acre

Plantings:

(20) Narrowleaf Cottwood

(50) Coyote Willow

(15) Golden Currant

(15) Red Osier Dogwood

(10) Wood's Rose

Upland Buffer - 0.56 acre

Plantings:

(20) Narrowleaf Cottwood

(50) Coyote Willow

(15) Golden Currant

(15) Red Osier Dogwood

(10) Wood's Rose

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Mitigation Site A (2.5 Acres) and Fencing

2019 Delineation Study Area

Rock Check Structure

Bank Stabalization

Proposed Pipe/Culvert

Created Stream Channel

Existing Culvert

Wetland Establishment (wetland seed mix and pole plantings)

Upland Seed Mix

Impacts to Waters of the U.S.

Impacts to Wetlands

Delineated Waters of the U.S.

Wetland Establishment - 0.68 acre Stream Channel Creation - 1,671 linear feet (0.13 acre) Upland Buffer - 1.74 acre on

3 2

0 9045 Feet

US-89; Farmington to I-84 Wetland Mitigation Plan

Map 2 of 5

Coordinate System: NAD 1983 2011 StatePlane Utah Central FIPS 4302 Ft US Projection: Lambert Conformal Conic

Datum: NAD 1983 2011

Maps Created by Horrocks engineers on 9/6/2019 Imagery: ESRI 2016

1 inch = 100 feet

G e n t i l e S t r e e t G e n t i l e S t r e e t

Snow Creek West Channel 590 Linear ft.

0.05 acre

Upland Buffer - 1.06 acre

Plantings:

(15) Narrowleaf Cottwood

(50) Coyote Willow

(10) Golden Currant

Plantings:

(15) Narrowleaf Cottwood

(50) Coyote Willow

(10) Golden Currant

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Mitigation Site A (2.5 Acres) and Fencing

2019 Delineation Study Area

Rock Check Structure

Bank Stabalization

Proposed Pipe/Culvert

Created Stream Channel

Existing Culvert

Wetland Establishment (wetland seed mix and pole plantings)

Upland Seed Mix

Impacts to Waters of the U.S.

Impacts to Wetlands

Delineated Waters of the U.S.

Wetland Establishment - 0.68 acre Stream Channel Creation - 1,671 linear feet (0.13 acre) Upland Buffer - 1.74 acre on

3 2

0 9045 Feet

US-89; Farmington to I-84 Wetland Mitigation Plan

Map 3 of 5

Coordinate System: NAD 1983 2011 StatePlane Utah Central FIPS 4302 Ft US Projection: Lambert Conformal Conic

Datum: NAD 1983 2011

Maps Created by Horrocks engineers on 9/6/2019 Imagery: ESRI 2016

1 inch = 100 feet

MS0055 - SR-39, Huntsville Mitigation Site Mitigation Site boundary Meeting Location: 41.261137, -111.760303

Legend

Hunstville Mitigation bdry (~3.5 acres)

Stream Establishment

Wetland Enhancement

Wetland Establishment

600 ft

N

N Image © 2026 Airbus

Compensatory Mitigation Plan

S.R. 39 Huntsville Roundabout Project (SPK-2023-00504)

Figure 3. Proposed Mitigation Sites Map

2024.

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FOR PLANTING LOCATIONS)

(COORDINATE WITH ENGINEER

WETLAND ENHANCEMENT AREA

PROPOSED CHANNEL RELOCATION

4922.8

REFERENCE ELEVATION

100 SOUTH (MAIN STREET)

S R

-3

E

A S

T

PROPERTY LINE

PROPERTY LINE

WETLAND EXCAVATION NOTES (AUGUST 7, 2025)

SEE STD DWG FG 1

RIGHT-OF-WAY FENCE, TYPE F (WOOD POSTS) REQ'D

FINAL GRADE SURFACE SHOULD BE LOOSE AND NON-COMPACTED.4.

ESTABLISH FINAL GRADES.

FOLLOW REQUIREMENTS IN SPECIAL PROVISION 02311S (WETLAND EXCAVATION) TO 3.

ESTABLISH FINAL GRADES.

FOOT BELOW FINAL GRADES AND REPLACE WITH EXISTING SILT CLAY SUBSOIL TO

REMOVE ANY GRAVEL OR COBBLE LAYER ENCOUNTERED DURING EXCAVATION TO 1 2.

GRADING PLAN.

EXCAVATE WETLAND MITIGATION SITE TO FINAL GRADES SHOWN ON THIS REVISED 1.

APPENDIX B

UDOT Region 1 Wetland Mitigation Sites – 2026 Cost Sheet

Item # Item Name Cost Unit

7.1 A.1 Snow Creek (~2.6 acres), Target Plant Species (TPS) Control -$ Annual Lump Sum

7.1 A.2 Huntsville (~3.5 acres), Target Plant Species (TPS) Control -$ Annual Lump Sum

7.1 B.1 Tractor Mowing -$ per Acre

7.2 B.2 Combined Sum per Acre Cost (Low-Bid Estimate) = -$ per Acre

7.1 B.2 Walk-Behind Brush Mower -$ per Acre

7.1 B.3 Timmer -$ per Acre

Item # Item Name Cost Unit

7.3 A.1 Shrub Removal -$ per Each

7.3 A.2 Tree Removal, 2 to 6 inch caliper -$ per Each

7.3 A.3 Tree Removal, 6 to 12 inch caliper -$ per Each

7.3 A.4 Tree Removal, greater than 12 inch caliper -$ per Each

7.3 B.1 Re-seed Upland Habitat Areas -$ per 1/10th Acre

7.3 B.2 Re-seed Wet Meadow Habitat Areas -$ per 1/10th Acre

7.3 B.3 Re-seed Emergent Marsh Habitat Areas -$ per 1/10th Acre

7.3 C.1 Black Hawthorn (Crataegus douglasii), #1 container size -$ per Each

7.3 C.2 Coyote Willow (Salix exigua), Live Cutting -$ per Each

7.3 C.3 Coyote Willow (Salix exigua), #1 container size -$ per Each

7.3 C.4 Golden Currant (Ribes aureum), #1 container size -$ per Each

7.3 C.5 Red-osier Dogwood (Cornus sercia), #1 container size -$ per Each

7.3 C.6 Three-leaf Sumac (Rhus trilobata), #1 container size -$ per Each

7.3 C.7 Wood’s Rose (Rosa woodsii), #1 container size -$ per Each

7.3 C.8 Fremont Cottonwood (Populus fremontii ), Pole Planting -$ per Each

7.3 C.9 Fremont Cottonwood (Populus fremontii ), #5 container -$ per Each

7.3 C.10 Narrowleaf Cottonwood (P. angustifolia ), Pole Planting -$ per Each

7.3 C.11 Narrowleaf Cottonwood (P. angustifolia ), #5 container -$ per Each

7.3 C.12 Peachleaf Willow (Salix amygdaloides), Pole Planting -$ per Each

7.3 C.13 Peachleaf Willow (Salix amygdaloides), #5 container -$ per Each

Notes regarding Costs and UDOT Award Total (i.e., Low-Bid Total)

3. Contract work will be paid based amount of each work item completed and bid prices provided in Contractor Bid Cost

Sheet.

1. See Part 7.2 for UDOT Contract Award procedures

2. Bid Prices in 7.3 will not be use to calculate the Low-Bid Estimate or contract award.

2026 Scope of Work

UDOT Region 1 Wetland Mitigation - Vegetation Control

CONTRACTOR BID COST SHEET

7.1 Scope of Work Bid Prices & 7.2 Low-Bid Estimate

7.3 Additional Work Items (only as requested by UDOT, see Part 5)

APPENDIX C

Applicable Seed Schedule & 2026 UDOT Applicable Standard Specifications:

Section 02922 (Seed, Turf Seed, and Turf Sod) Section 02924 (Noxious Weed Control)

Section 02932 (Landscape Plants)

BOTANICAL NAME COMMON NAME

Pounds (LBS) of Pure Live

Seed (PLS)/Acre

Percentage of Seed mixture

Number of Seeds

(PLS/Sq. Foot)

Pounds (LBS) of Pure Live Seed

(PLS)/Acre

Percentage of Seed mixture

Number of Seeds

(PLS/Sq. Foot)

F Asclepias incarnata Swamp milkweed 68,100 3.00 6.91% 5 4.50 6.91% 7

G Carex aquatilis Water sedge 485,000 0.80 13.13% 9 1.20 13.13% 13

G Carex nebrascensis Nebraska sedge 912,300 0.50 15.43% 10 0.75 15.43% 16

G Eleocharis rostellata Beaked spikerush 360,000 1.00 12.18% 8 1.50 12.18% 12

G Juncus balticus Baltic rush 8,000,000 0.03 8.12% 6 0.05 8.12% 8

G Schoenoplectus acutus var. acutus Hardstem bulrush 377,600 1.00 12.78% 9 1.50 12.78% 13

G Schoenoplectus americanus Chairmaker"s bulrush 179,800 2.50 15.21% 10 3.75 15.21% 15

G Schoenoplectus pungens Common threesquare 320,000 1.50 16.24% 11 2.25 16.24% 17

10.33 100% 68 15.50 100% 102

BOTANICAL NAME COMMON NAME

Pounds (LBS) of Pure Live

Seed (PLS)/Acre

Percentage of Seed mixture

Number of Seeds

(PLS/Sq. Foot)

Pounds (LBS) of Pure Live Seed

(PLS)/Acre

Percentage of Seed mixture

Number of Seeds

(PLS/Sq. Foot)

F Asclepias speciosa Showy milkweed 58,000 3.00 5.57% 4 4.50 5.57% 6

G Carex praegracilis Clustered field sedge 1,816,000 0.30 17.44% 13 0.45 17.44% 19

G Deschampsia cespitosa Tufted hairgrass 1,500,000 0.30 14.41% 10 0.45 14.41% 15

G Distichlis spicata Inland saltgrass 520,000 0.80 13.32% 10 1.20 13.32% 14

G Elymus canadensis Canada wildrye 115,000 3.00 11.04% 8 4.50 11.04% 12

G Hordeum brachyantherum Meadow barley 85,000 2.00 5.44% 4 3.00 5.44% 6

F Iris missouriensis Rocky mountain iris 21,000 4.00 2.69% 2 6.00 2.69% 3

G Juncus balticus Baltic rush 8,000,000 0.08 20.49% 15 0.12 20.49% 22

G Muhlenbergia asperifolia Scratchgrass 1,500,000 0.20 9.60% 7 0.30 9.60% 10

13.68 100% 72 20.52 100% 108

BOTANICAL NAME COMMON NAME

Pounds (LBS) of Pure Live

Seed (PLS)/Acre

Percentage of Seed mixture

Number of Seeds

(PLS/Sq. Foot)

Pounds (LBS) of Pure Live Seed

(PLS)/Acre

Percentage of Seed mixture

Number of Seeds

(PLS/Sq. Foot)

G Bromus marginatus Mountain brome 64,000 2.00 4.04% 3 3.00 4.04% 4

G Elymus lanceolatus ssp. lanceolatus Thickspike wheatgrass 154,000 3.00 14.59% 11 4.50 14.59% 16

G Elymus trachycaulus ssp. trachycaulus Slender wheatgrass 159,000 4.00 20.08% 15 6.00 20.08% 22

G Festuca ovina Sheep fescue 600,000 0.60 11.37% 8 0.90 11.37% 12

G Poa secunda ssp. sandbergii Sandberg bluegrass 1,047,000 0.40 13.22% 10 0.60 13.22% 14

G Pseudoroegneria spicata ssp. spicata Bluebunch wheatgrass 140,000 3.50 15.47% 11 5.25 15.47% 17

13.50 78.77% 57 20.25 78.77% 86

F Achillea millefolium var. occidentalis Western yarrow 2,770,000 0.12 10.50% 8 0.18 10.50% 11

F Linum lewsii Lewis flax 170,000 2.00 10.74% 8 3.00 10.74% 12

2.12 21.23% 15 3.18 21.23% 23

15.62 100% 73 23.43 100% 109

Region 1 2026 Wetland Maintenance Contract (Snow Creek and Huntsville) - SEED SCHEDULES

Grass Species

Forb Species

TOTALS =

UPLAND (MIX C) SEED SCHEDULE

GRASS

OR

FORB

SPECIES NAME

Number of Seeds per

Pound (LBS)

DRILL SEED BROADCAST SEED

TOTALS =

EMERGENT MARSH (MIX A) SEED SCHEDULE

GRASS

OR

FORB

SPECIES NAME

Number of Seeds per

Pound (LBS)

DRILL SEED BROADCAST SEED

TOTALS =

WET MEADOW (MIX B) SEED SCHEDULE

GRASS

OR

FORB

SPECIES NAME

Number of Seeds per

Pound (LBS)

DRILL SEED BROADCAST SEED

Seed, Turf Seed, And Turf Sod 02922 – Page 1 of 7

2026 Standard Specifications Latest Revision: June 8, 2023

SECTION 02922

SEED, TURF SEED, AND TURF SOD

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Seed, turf seed, and turf sod requirements and application.

B. Surface preparation.

1.2 RELATED SECTIONS Not Used

1.3 REFERENCES

A. Utah Fertilizer Act, Utah Code, Title 4, Chapter 13

B. Utah Seed Act, Utah Code, Title 4, Chapter 16

1.4 DEFINITIONS Not Used

1.5 SUBMITTALS

A. Manufacturer’s directions on drill calibration seven calendar days before seeding, for information. Refer to this Section, Article 3.3.

B. Seed substitution request, for review, if required. Refer to this Section, Article 2.1

C. Quantity of seed required, for review. Include at least the following:

1. Description of the measuring technique of the area to receive seed.

2. Calculated area to receive drill seed, broadcast seed, turf seed, or turf sod.

3. Calculation of total quantity of seed, turf seed or turf sod to be purchased.

D. The following documentation from seed supplier, for information:

1. Letter of Certification documenting the purchase and mixing of project seed schedule, including any authorized seed substitutions.

Include at least the following:

a. Common name of each seed.

b. Lot number of each seed

c. Purity percent of each seed

02922 – Page 2 of 7

2026 Standard Specifications Latest Revision: June 8, 2023

d. Germination percent of each seed

e. Dormant or hard seed percent of each seed

f. Bulk lb and percent of each seed.

g. Pure Live Seed (PLS) lb of each seed.

h. Total combined bulk lb of project seed schedule.

i. Total combined PLS lb of project seed schedule.

j. Total number of bags and bulk lb per bag delivered.

2. Certified Copy of Seed Analysis for each seed, including any authorized seed substitutions. Include at least the following on seed certification reports and labels:

a. Botanical name and common name, including variety.

b. Name of seed testing laboratory

c. Origin and Lot number

d. Purity percent

e. Inert matter percent

f. Other crop percent

g. Weed seed percent

h. Noxious Weed percent

i. Germination percent

j. Dormant or hard seed percent

k. Total Viability percent

l. PLS percent

m. Last seed germination test date (month and year)

E. Certification that turf sod is nursery grown and contains grass species shown, for review.

F. Documentation indicating the date and time turf sod was cut at the nursery, for information.

G. Fertilizer labels, for information.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Notify Engineer seven calendar days before purchasing and mixing project seed schedule shown or as modified by authorized seed substitution request.

B. Deliver seed or turf seed to project in original seed supplier bags showing analysis of seed mixture, net weight, and date and location of packaging.

C. Cut turf sod from nursery no more than 24 hours before installing.

02922 – Page 3 of 7

2026 Standard Specifications Latest Revision: June 8, 2023

D. Deliver fertilizer in original manufacturer packaging bearing labels including brand name, weight and guaranteed analysis.

1. Store in a weatherproof location.

PART 2 PRODUCTS

2.1 SEED AND TURF SEED

A. Must conform to Utah Seed Act.

B. Obtain seed from lots that have been tested by a state certified seed testing laboratory such as Association of Seed Analyst (AOSA) or Society of Commercial Seed Technologists (SCST).

1. Seed germination test older than 18 months for grass seed and older than 12 months for shrub or tree seed are not acceptable.

C. Do not use wet, moldy, or otherwise damaged seed.

D. Seed Substitutions.

1. Coordinate with the seed supplier and submit recommended substitution alternatives and revised project seed schedule to the Engineer if seed substitutions to project seed schedule are required.

2.2 TURF SOD

A. Healthy and well-rooted nursery grown turf sod comprised of grass species shown and free of weeds.

B. Machine cut in straight, uniform strips or rolls, cut at a depth between ¾ inch and 1 inch.

2.3 FERTILIZER FOR TURF SEED OR TURF SOD

A. Nitrogen, Phosphorus, and Potassium (NPK) fertilizer:

1. Must conform to Utah Fertilizer Act, be uniform in composition, granular, dry, and free flowing.

2. Apply at the rates indicated on the label.

02922 – Page 4 of 7

2026 Standard Specifications Latest Revision: June 8, 2023

PART 3 EXECUTION

3.1 PREPARATION

A. Measure the area to receive seed, turf seed, or turf sod before ordering from the supplier.

B. Coordinate with Engineer within 14 calendar days before installation seed, turf seed or turf sod begins to verify that the following suitable topsoil surface conditions are met:

1. Lightly compacted to a firm surface with a friable or crumbly soil texture.

a. Re-work any topsoil surface that is over-compacted, hard, or crusted topsoil surface must be reworked such as cat-tracking, discing, or harrowing the topsoil surface.

2. Free from noxious weeds and other undesirable plants that have germinated and are actively growing.

a. Remove plants growing in topsoil by hand or mechanical methods, or by appropriate chemical herbicide application.

3. Free from soil erosion.

a. Regrade and repair any surface, rill, or gulley erosion.

C. Turf Seed Preparation.

1. Coordinate with Engineer to establish an appropriate irrigation operating schedule.

2. Apply NPK fertilizer at the rates indicated on the label and mix thoroughly into upper 1 inch of topsoil.

a. Do not apply fertilizer and seed at the same time in the same machine.

D. Turf Sod Preparation.

1. Coordinate with Engineer to establish an appropriate irrigation operating schedule.

2. Apply NPK fertilizer at the rates indicated on the label and mix thoroughly into upper 1 inch of topsoil.

3.2 SEED – GENERAL

A. Notify the Engineer seven calendar days before seeding.

B. Apply seed at the rate shown.

1. Drill seed and broadcast seed are applied at different rates.

02922 – Page 5 of 7

2026 Standard Specifications Latest Revision: June 8, 2023

C. Install drill seed and broadcast seed within the seeding window assigned to ground elevation specified in Table 1.

1. Do not begin seeding activities if topsoil is covered in snow, frozen or saturated.

2. Postpone seeding until the following year if the seeding is not completed within the given window.

3. A late winter exception to the seeding window may be obtained from the Engineer if suitable weather and soil conditions exist.

Table 1

Seeding Window

Elevation Date

Below 4,000 ft October 15 to December 31

4,000 to 6,000 ft September 15 to November 30

Above 6,000 ft September 1 to November 15

D. Install rolled and hydraulic erosion control products within 24 hours after seed or turf seed application.

3.3 DRILL SEED METHOD

A. Use drill seed on slopes 3:1 and flatter.

B. Use a minimum-till drill, no-till drill, rangeland drill seeder or equivalent drill seeding equipment designed to plant a variety of seed types into rugged soils with minimal soil disturbance and equipped with the following:

1. Depth band

2. Seed box agitator

3. Seed metering device

4. Furrow opener

5. Seed-to-soil packing devices such as packer wheels, imprinters or drag chains

C. Follow the drill manufacturer’s directions in the presence of the Engineer.

1. Calibrate the drill to apply seed at the rate shown.

D. Space drill rows a maximum of 8 inch apart.

02922 – Page 6 of 7

2026 Standard Specifications Latest Revision: June 8, 2023

E. Set depth bands to drill seeds to a ½ inch depth.

F. Drill parallel to the contours.

G. Maintain the drill at the calibrated setting throughout the seeding operation.

H. Allow the furrows that are created by the drill to remain.

3.4 BROADCAST SEED METHOD

A. Use the broadcast method of seeding under the following conditions:

1. Slopes steeper than 3:1.

2. Slopes 3:1 and flatter where the area to be seeded is inaccessible to drill.

3. The area to be seeded is not large enough to justify using a drill.

4. Rocky surface conditions.

5. Other areas allowed by Engineer.

B. Do not mix seed as part of a Hydraulic Erosion Control Product (HECP) application.

C. Broadcast the seed onto the topsoil using either of the following:

1. Mechanical, cyclone or hand seeder.

2. Hydraulic hydroseeder machine which is capable of continuous agitation and application of the seed, water, and up to 300 lb of a cellulose fiber mulch (allowed only as application tracer) slurry mixture per acre.

D. Incorporate the seed into the topsoil using either of the following:

1. Cat-track seeded area with tracked equipment perpendicular to the contours to create continuous cleat tracks that run parallel with the contours.

2. Drag or rake the seed into the topsoil to a depth between ¼ to ½ inch.

E. Coordinate with Engineer to be on site and observe the first 100 yd2 of broadcast seed.

F. Do not broadcast seed during windy weather.

3.5 TURF SEED PLACEMENT

A. Apply turf seed after seedbed preparation. Refer to this Section, Article 3.1.

02922 – Page 7 of 7

2026 Standard Specifications Latest Revision: June 8, 2023

B. Verify good seed to soil contact by either lightly dragging, raking or rolling seeded areas using a minimum 24 inch wide turf roller half filled with water.

C. Lightly water and program the irrigation system to maintain a moist seedbed.

D. Rope off newly seeded areas along walkways using bright plastic ribbon tape attached to stakes placed frequently enough to delineate the newly seeded area.

3.6 TURF SOD PLACEMENT

A. Place turf sod with all edges and joints tightly butted.

1. Do not stretch or overlap turf sod.

2. Keep length seams in a straight line.

3. Lay turf sod with staggered joints.

4. Trim off excess material along the edges.

B. Roll turf sod immediately after placing using a minimum 24 inch wide turf roller half filled with water.

1. Re-roll if high spots remain.

2. Lift turf sod and place sufficient topsoil to fill any depressions that remain.

3. Thoroughly water with a fine spray to a depth sufficient that the underside of the new turf sod and soil immediately below the turf sod are thoroughly wet.

END OF SECTION

Noxious Weed Control

02924 – Page 1 of 4 2026 Standard Specification

Last Revision: December 7, 2023

SECTION 02924

NOXIOUS WEED CONTROL

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Identify and control the introduction and spread of noxious and invasive weeds.

1.2 RELATED SECTIONS Not Used

1.3 REFERENCES Not Used

1.4 DEFINITIONS

A. Growing Season – Portion of the year when plants grow successfully which occurs generally between the last killing frost in the spring to the first killing frost in the fall.

1.5 SUBMITTALS

A. Current Utah Commercial Pesticide Applicator license, for information.

1. Provide an Aquatic Surface Water category when required.

B. Name and EPA registration number of non-selective or soil residual herbicides, for review.

1.6 WEED LISTS

A. Noxious Weed List:

1. See Table 1 for the current State of Utah Noxious Weed List.